#819BC2
Closest named color: Cool Gray (#8D99AE). oklch(68.4% 0.065 258.3), rgb(129, 155, 194).
Aa
Black text reads best on this color (7.40:1).
About this color
#819BC2 is a medium-light, muted blue. In OKLCH its lightness is 68%, its chroma 0.065 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.031 away. Black text reads best on it, at 7.40:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #819BC2 |
| RGB | rgb(129, 155, 194) |
| HSL | hsl(216, 35%, 63%) |
| OKLCH | oklch(68.4% 0.065 258.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #819BC2 | 2.83:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #819BC2 | 7.40:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #819BC2 text on white | 2.83:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #819BC2 text on black | 7.40:1 | AAA | Lc -47.4 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B1C2DB
oklch(80.9% 0.04 257.9)
-
Step 400
400 (this color)
#819BC2
oklch(68.4% 0.065 258.3)
-
Step 500
500
#6A8BBC
oklch(63.1% 0.083 258.1)
-
Step 600
600
#5274A8
oklch(55.6% 0.09 258.7)
-
Step 700
700
#426190
oklch(49% 0.084 258.5)
-
Step 800
800
#375075
oklch(42.8% 0.069 258)
-
Step 900
900
#30425E
oklch(37.7% 0.054 259)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#819BC2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8D9DC4 | 0.017 |
| Deuteranopia (no green cones) | #8697C1 | 0.012 |
| Tritanopia (no blue cones) | #6DA3A8 | 0.057 |
| Achromatopsia (no color) | #999999 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819BC2
#819BC2
oklch(68.4% 0.065 258.3)
- #B0956C
#B0956C
oklch(68.4% 0.065 77.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #819BC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.031
- Greyblue #77A1B5 ΔE 0.032
- Bluey Grey #89A0B0 ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.055
- Blue Grey #758DA3 ΔE 0.057
- Faded Blue #658CBB ΔE 0.057
Use #819BC2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.